Shang-Kuan, Ta-li fu, Yunnan, China (Google Maps ⧉, OpenStreetMap ⧉)

"…near Shang-hai; published at Shang-hai in 1895 and 1897."

"On either flank, at about twelve and six miles distance respectively, are situated Shang-Kuan and Hsia-Kuan (upper and lower passes)…"

"Notes of a Journey outside the Great Wall of China, embracing an account of the first modern visit to the site of Kúblái’s Palace at Shang-tu."